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13950996047 = 76991812053
BaseRepresentation
bin11001111111000101…
…10100111001001111
31100000021021000210022
430333202310321033
5212032423333142
610224202132355
71002501336602
oct147742647117
940007230708
1013950996047
115a09a788aa
1228541b10bb
131414411c61
14964b9c339
15569ba36d2
hex33f8b4e4f

13950996047 has 4 divisors (see below), whose sum is σ = 13952815800. Its totient is φ = 13949176296.

The previous prime is 13950995977. The next prime is 13950996049. The reversal of 13950996047 is 74069905931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74069905931 = 710581415133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13950996047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13950996047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13950996049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898328 + ... + 913725.

It is an arithmetic number, because the mean of its divisors is an integer number (3488203950).

Almost surely, 213950996047 is an apocalyptic number.

13950996047 is a deficient number, since it is larger than the sum of its proper divisors (1819753).

13950996047 is an equidigital number, since it uses as much as digits as its factorization.

13950996047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819752.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 13950996047 in words is "thirteen billion, nine hundred fifty million, nine hundred ninety-six thousand, forty-seven".

Divisors: 1 7699 1812053 13950996047